Home / 259,660.01-388,465.13-196,661.66

Finding the Fourth Proportional to 259,660.01, 388,465.13 and 196,661.66

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Solution

The fourth proportional to 259,660.01, 388,465.13 and 196,661.66 is: 294,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,660.01 : 388,465.13 = 196,661.66 : x
  2. Step 2: Convert to fraction form
    259,660.01/388,465.13 = 196,661.66/x
  3. Step 3: Cross multiply
    259,660.01x = 388,465.13 × 196,661.66
  4. Step 4: Simplify right side
    259,660.01x = 76,396,195,867.24
  5. Step 5: Solve for x
    x = 76,396,195,867.24/259,660.01
  6. Step 6: Final answer
    x = 294,216.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.